The BGP Instability Report

The BGP Instability Report is updated daily. This report
was generated on 17 January 2026 06:21 (UTC+1000)

50 Most active ASes for the past 14 days

RANK	ASN	UPDs	%	Prefixes	UPDs/Prefix	AS NAME
1	5413	560301	6.62%	97	5776.30	WAVENET-AS5413, GB
2	16509	348348	4.11%	14344	24.29	AMAZON-02, US
3	8151	301735	3.56%	12836	23.51	UNINET, MX
4	9808	99669	1.18%	13740	7.25	CHINAMOBILE-CN China Mobile Communications Group Co., Ltd., CN
5	7821	71366	0.84%	17	4198.00	ZAYO-MN, US
6	6648	69081	0.82%	269	256.81	BAYAN-TELECOMMUNICATIONS Bayan Telecommunications, Inc., PH
7	9919	67464	0.80%	976	69.12	NCIC-TW New Century InfoComm Tech Co., Ltd., TW
8	15766	62972	0.74%	15	4198.13	DOMICILIUM-AS, IM
9	55410	62134	0.73%	1178	52.75	VIL-AS-AP Vodafone Idea Ltd, IN
10	36903	60519	0.71%	1232	49.12	MT-MPLS, MA
11	39891	56463	0.67%	4969	11.36	ALJAWWALSTC-AS, SA
12	335	54064	0.64%	220	245.75	DNIC-ASBLK-00306-00371, US
13	10620	50575	0.60%	3434	14.73	Telmex Colombia S.A., CO
14	6147	44561	0.53%	1261	35.34	Telefonica del Peru S.A.A., PE
15	58224	43986	0.52%	1242	35.42	TCI, IR
16	401696	42986	0.51%	230	186.90	COGNETCLOUD, US
17	42337	42623	0.50%	723	58.95	RESPINA-AS, IR
18	9829	37154	0.44%	1870	19.87	BSNL-NIB National Internet Backbone, IN
19	9340	31711	0.37%	411	77.16	INDONET-AS-AP INDO Internet, PT, ID
20	20011	30654	0.36%	913	33.58	NTT-DATA-Inc, ZA
21	28227	30348	0.36%	46	659.74	NOVACIA TECNOLOGIA E TELECOMUNICACOES LTDA, BR
22	28573	30139	0.36%	1497	20.13	Claro NXT Telecomunicacoes Ltda, BR
23	9294	29807	0.35%	152	196.10	GNETINC-AS-AP GNET INC., US
24	11830	29369	0.35%	1992	14.74	Instituto Costarricense de Electricidad y Telecom., CR
25	18403	28542	0.34%	4548	6.28	FPT-AS-AP FPT Telecom Company, VN
26	197207	27905	0.33%	985	28.33	MCCI-AS, IR
27	265594	27755	0.33%	86	322.73	Television Internacional, S.A. de C.V., MX
28	56046	27537	0.33%	3421	8.05	CMNET-JIANGSU-AP China Mobile communications corporation, CN
29	5277	27260	0.32%	145	188.00	DNIC-ASBLK-05120-05376, US
30	13188	26696	0.32%	1607	16.61	TRIOLAN, UA
31	4780	25864	0.31%	1047	24.70	SEEDNET Digital United Inc., TW
32	18101	25249	0.30%	683	36.97	RELIANCE-COMMUNICATIONS-IN Reliance Communications Ltd.DAKC MUMBAI, IN
33	11664	25055	0.30%	1394	17.97	Techtel LMDS Comunicaciones Interactivas S.A., AR
34	36914	24739	0.29%	581	42.58	KENET-AS, KE
35	31148	23937	0.28%	554	43.21	FREENET_LLC, UA
36	203020	22779	0.27%	1643	13.86	HOSTROYALE, IN
37	149038	21669	0.26%	2	10834.50	UCGCL-AS-AP UNIQUE COMM GROUP COMPANY LIMITED, MM
38	36352	21593	0.26%	2714	7.96	AS-COLOCROSSING, US
39	6503	20284	0.24%	726	27.94	Axtel, S.A.B. de C.V., MX
40	131596	20062	0.24%	1426	14.07	TBCOM-NET TBC, TW
41	367	19993	0.24%	2023	9.88	DNIC-ASBLK-00306-00371, US
42	21859	19524	0.23%	1616	12.08	ZEN-ECN, US
43	45474	19431	0.23%	89	218.33	NEXUSGUARD-AS-AP Nexusguard Pte. Ltd., SG
44	37069	19408	0.23%	1102	17.61	MOBINIL, EG
45	20473	19371	0.23%	1415	13.69	AS-VULTR, US
46	8369	19340	0.23%	57	339.30	INTERSVYAZ-AS 38-B, Komsomolsky prospekt, RU
47	8452	19244	0.23%	1720	11.19	TE-AS TE-AS, EG
48	33915	19042	0.22%	346	55.03	TNF-AS, NL
49	136255	19037	0.22%	126	151.09	TIMCL-AS-AP Telecom International Myanmar Co., Ltd, MM
50	5371	19023	0.22%	303	62.78	DNIC-ASBLK-05120-05376, US
Total		2848368	33.67%

50 Most active ASes for the past 14 days

RANK	ASN	UPDs/Prefix	%	Prefixes	UPDs	AS NAME
1	7954	12233.0	0.14%	3	12233	IMMENSE-NETWORKS, US
2	149038	10834.5	0.26%	2	21669	UCGCL-AS-AP UNIQUE COMM GROUP COMPANY LIMITED, MM
3	208907	8824.0	0.10%	1	8824	RISING-BRIDGE-TECHNOLOGY, GB
4	8613	5836.7	0.21%	3	17510	WAVENET-AS8613, GB
5	197320	5833.0	0.07%	1	5833	NPA-AS, GB
6	29874	5828.0	0.07%	4	5828	CAMBRI-AS1, US
7	5413	5776.3	6.62%	97	560301	WAVENET-AS5413, GB
8	15766	5724.7	0.74%	15	62972	DOMICILIUM-AS, IM
9	213812	4632.5	0.11%	2	9265	ALFATEH, SY
10	7821	4198.0	0.84%	17	71366	ZAYO-MN, US
11	8791	3858.3	0.14%	3	11575	FOEHN, GB
12	27621	3778.0	0.04%	8	3778	AMERICAN-COMPUTER-ASSOCIATES-SCHUYL-INC, US
13	29469	3617.0	0.04%	1	3617	GTU Khmelnitsky, Ukraine, UA
14	329627	3530.0	0.04%	3	3530	Wingu-Tanzania, TZ
15	51897	3178.0	0.04%	1	3178	MIHAN, IR
16	29052	3092.0	0.04%	1	3092	LYCOS-AS Lykos group is among the pioneers that shape the printing market, AT
17	41383	2911.0	0.14%	8	11644	WOLASN, GB
18	56644	2845.5	0.07%	2	5691	SYNFS-AS, GB
19	40138	2771.8	0.16%	5	13859	MDNET, US
20	211535	2718.2	0.16%	5	13591	ASILKARI, IE
21	265046	2512.3	0.09%	3	7537	NET-MAIS INFORMATICA, BR
22	398741	2459.0	0.03%	1	2459	AS-VERTEXLINK-01, US
23	57670	2344.8	0.17%	6	14069	ASOPENWAY, UA
24	202319	2245.3	0.08%	3	6736	SOTOON-CDN, IR
25	265566	2108.0	0.07%	3	6324	TELESISTEMAS PENINSULARES SA DE CV, MX
26	132386	2103.5	0.05%	4	4207	USMANISP-AS-AP Usman Internet Service Provider Private Limited, PK
27	206467	1934.0	0.07%	3	5802	PROTECH-COMMS, GB
28	329104	1776.0	0.02%	1	1776	AL14-AS, RW
29	329613	1662.0	0.02%	1	1662	Iris-Smart-Technologies, NG
30	136225	1601.7	0.06%	3	4805	SMARTTELECOM-AS-AP Smart Telecom, PK
31	13341	1446.8	0.09%	5	7234	TRANQUILITY, US
32	134659	1416.0	0.03%	2	2832	IDNIC-DISKOMINFODKI-AS-ID Diskominfo DKI Jakarta, ID
33	271217	1386.5	0.07%	4	5546	Nova Info Internet e Telecomunicacoes LTDA, BR
34	136867	1376.7	0.05%	3	4130	IDNIC-TELKOMTELSTRA-AS-ID PT. Teltranet Aplikasi Solusi Telkomtelstra, ID
35	395327	1207.0	0.01%	1	1207	BAYFEDCU, US
36	214675	1125.0	0.01%	1	1125	STARLAMP Starlamp Network Project, JP
37	28657	1114.7	0.04%	3	3344	MD Brasil - Tecnologia da Informacao Ltda, BR
38	401017	1097.0	0.01%	1	1097	AAICE-ASN, US
39	15515	1082.3	0.04%	3	3247	UNICREDIT-AS-VR-IT Via Alessandro Specchi 16, IT
40	29382	1074.0	0.03%	2	2148	UKRINFOSYSTEMS-AS, UA
41	57285	1072.0	0.01%	1	1072	UKRINFOSYSTEMS-AS, UA
42	12357	1068.0	0.08%	18	6408	COMUNITEL SPAIN, ES
43	137258	1053.0	0.01%	1	1053	SHIRAZI-AS-AP Shirazi Investments Pvt Ltd., PK
44	204318	1049.0	0.01%	1	1049	BGPTOOLS-QA, GB
45	29103	1038.0	0.01%	1	1038	GSR Gdansk, Poland, PL
46	328999	960.8	0.05%	4	3843	BrowsePoint, NG
47	149614	941.0	0.01%	1	941	TSIIPL-AS-IN TRANSACTION SOLUTIONS INTERNATIONAL INDIA PRIVATE LIMITED, IN
48	41538	923.0	0.02%	2	1846	INSPIRED-AS, GB
49	51912	915.0	0.01%	1	915	EAO-AS, RU
50	198918	911.9	0.08%
Total		145024.8	11.36%

50 Most active Prefixes for the past 14 days

RANK	PREFIX	UPDs	%	Origin AS -- AS NAME
1	207.167.116.0/22	12233	0.14%	7954 -- IMMENSE-NETWORKS, US
2	124.195.190.0/24	11110	0.13%	38684 -- CMBDAEJEON-AS-KR CMB Daejeon Broadcasting Co,.Ltd, KR
3	103.177.87.0/24	10937	0.12%	149038 -- UCGCL-AS-AP UNIQUE COMM GROUP COMPANY LIMITED, MM
4	130.137.231.0/24	10827	0.12%	16509 -- AMAZON-02, US
5	103.177.86.0/24	10732	0.12%	149038 -- UCGCL-AS-AP UNIQUE COMM GROUP COMPANY LIMITED, MM
6	55.27.56.0/24	10273	0.12%	335 -- DNIC-ASBLK-00306-00371, US
7	55.27.217.0/24	10271	0.12%	335 -- DNIC-ASBLK-00306-00371, US
8	55.67.56.0/24	10262	0.12%	335 -- DNIC-ASBLK-00306-00371, US
9	55.74.57.0/24	10198	0.12%	335 -- DNIC-ASBLK-00306-00371, US
10	55.74.56.0/24	10158	0.11%	335 -- DNIC-ASBLK-00306-00371, US
11	117.54.132.0/24	8877	0.10%	9340 -- INDONET-AS-AP INDO Internet, PT, ID
12	44.31.52.0/24	8827	0.10%	208453 -- SWEHOST-NET, SE 208907 -- RISING-BRIDGE-TECHNOLOGY, GB
13	186.83.117.0/24	8583	0.10%	10620 -- Telmex Colombia S.A., CO
14	130.137.108.0/24	8137	0.09%	16509 -- AMAZON-02, US
15	173.82.125.0/24	8034	0.09%	16509 -- AMAZON-02, US
16	130.137.12.0/24	7745	0.09%	16509 -- AMAZON-02, US
17	130.137.230.0/24	7606	0.09%	16509 -- AMAZON-02, US
18	170.150.53.0/24	7527	0.09%	265046 -- NET-MAIS INFORMATICA, BR
19	186.251.129.0/24	7456	0.08%	53225 -- IPGLOBE INTERNET LTDA, BR
20	199.47.232.0/22	7132	0.08%	13341 -- TRANQUILITY, US
21	130.137.219.0/24	6927	0.08%	16509 -- AMAZON-02, US
22	84.205.66.0/24	6869	0.08%	12654 -- RIPE-NCC-RIS-AS Reseaux IP Europeens Network Coordination Centre RIPE NCC, NL
23	173.82.66.0/24	6864	0.08%	16509 -- AMAZON-02, US
24	130.137.80.0/24	6769	0.08%	16509 -- AMAZON-02, US
25	130.137.79.0/24	6723	0.08%	16509 -- AMAZON-02, US
26	130.137.118.0/24	6701	0.08%	8987 -- AWS-GOVCLOUD AWS-GOVCLOUD, IE
27	173.82.108.0/24	6543	0.07%	16509 -- AMAZON-02, US
28	195.114.122.0/24	6540	0.07%	8369 -- INTERSVYAZ-AS 38-B, Komsomolsky prospekt, RU
29	173.82.63.0/24	6515	0.07%	16509 -- AMAZON-02, US
30	173.82.67.0/24	6468	0.07%	16509 -- AMAZON-02, US
31	195.114.123.0/24	6410	0.07%	8369 -- INTERSVYAZ-AS 38-B, Komsomolsky prospekt, RU
32	193.105.156.0/24	6365	0.07%	8369 -- INTERSVYAZ-AS 38-B, Komsomolsky prospekt, RU
33	109.200.125.0/24	6300	0.07%	41560 -- UT-SVR, RU
34	45.172.92.0/22	6274	0.07%	265566 -- TELESISTEMAS PENINSULARES SA DE CV, MX
35	130.137.28.0/24	6224	0.07%	16509 -- AMAZON-02, US
36	130.137.130.0/24	6178	0.07%	16509 -- AMAZON-02, US
37	130.137.124.0/24	6173	0.07%	16509 -- AMAZON-02, US
38	130.137.150.0/24	6171	0.07%	16509 -- AMAZON-02, US
39	130.137.16.0/24	6158	0.07%	16509 -- AMAZON-02, US
40	130.137.127.0/24	6143	0.07%	16509 -- AMAZON-02, US
41	130.137.111.0/24	6133	0.07%	16509 -- AMAZON-02, US
42	173.82.129.0/24	6115	0.07%	16509 -- AMAZON-02, US
43	130.137.140.0/24	6110	0.07%	16509 -- AMAZON-02, US
44	130.137.26.0/24	6109	0.07%	16509 -- AMAZON-02, US
45	130.137.105.0/24	6103	0.07%	16509 -- AMAZON-02, US
46	130.137.90.0/24	6096	0.07%	16509 -- AMAZON-02, US
47	130.137.47.0/24	6085	0.07%	16509 -- AMAZON-02, US
48	130.137.89.0/24	6064	0.07%	14618 -- AMAZON-AES, US
49	130.137.227.0/24	6030	0.07%	16509 -- AMAZON-02, US
50	130.137.81.0/24	5955	0.07%	16509 -- AMAZON-02, US
Total		377040	4.29%

14 Day BGP Profile: 3-January-2026 00:00 - 16-January-2026 23:59 (UTC+1000)

Number of BGP Update Messages:	19828332
Number of Prefix Updates:	8467063
Number of Prefix Withdrawals:	369181
Average Prefixes per BGP Update:	0.45
Average BGP Update Messages per second:	16.39
Average Prefix Updates per second:	7.31
Peak BGP Update Message Rate per second:	27194	(06:40:02 Sun, 4-Jan-2026)
Peak Prefix Update Rate per second:	976	(01:23:02 Fri, 9-Jan-2026)
Peak Prefix Withdraw Rate per second:	22329	(12:09:33 Mon, 5-Jan-2026)
Prefix Count:	1067319
Updated Prefix Count:	689389
Stable Prefix Count:	377930
Origin AS Count:	77763
Updated Origin AS Count:	59612
Stable Origin AS Count:	18151
Unique Path Count:	525270
Updated Path Count:	367752
Stable Path Count:	157518

Hourly Average of Per-Second Updated and Withdrawn Prefix Rate

Hourly Peak of Per-Second Updated and Withdrawn Prefix Rate

Hourly Average Per-Second Updated Prefix Rate by Update Type

Hourly Peak of Per-Second Updated Prefix Rate by Update Type

BGP Table Activity

Cumulative Distribution of per-Prefix and per-AS Updates

Notes

The data has been gathered using a single eBGP peering with AS 131072. The observations of BGP path change are relative to this observation point. The updates are generated by a Quagga BGP implementation providing a timestamped log of incoming update messages. The timezone of this monitoring point is UTC+1000. Updates are processed on a 24 hour cycle.